?? ?????????????? ???????
????:1????????:?????600?????
2???????
3???????????
4?????????
5???????
?12?????3? ?,?????????????,????????,?????????????????????????????????,???????????????????????,??????????
????
?8???????????????????6??????????????,?,?;?????????????????
??????????????????????
??????????????????????????????????????????????????????????????6~8??????,??????????9~11?????????????;????6?6?????????????????,??????6~10?,????????????12??
?? ?
12?????3???????,??????,????????????,?????????2~4?,??3~4????,??5~6??,?7??
??,?????????????????,12?3??6?,???????????????????,??????????,??????????????
?????
12?????3?08?4????????08???????,???????????????????????????????????????????????????????????????4~6???(?1)?
??1 ?(12??3????08?-4???????????????????08?) ????:???????????12??????4??08?5????08?,?????????????????????????????????????????????????????????????????????????????????????????????????,??????????,?(25~30??????????)??????4~6?????(?????2)?
?2 ??(12?????????4????08??-5?08???) ???????????????:???????????12????5??????08????????6?????????08?,?????????????????????????????????????????????????,?,?????(5~9??)?????????????????????????????????????????????????5~6?????????????????(????3)?
???????3 ?(12????5?08??-6?????08??) ????:? ??:????????